livestock-wildlife conflicts in rangelands of the central coast: a review of the research sheri...

Livestock-Wildlife Conflicts in Rangelands of the Central Coast:

A Review of the Research

Sheri SpiegalOctober 17, 2013

Central Coast Rangeland Coalition Fall Meeting

Tejon Ranch Conservancy

Bryan Voelker

Guy E. Connolly

Bryan Voelker

“What significant conflicts occur between livestock grazing and wildlife on the

Central Coast;

which can be mitigated, and which cannot;

how have these conflicts been mitigated effectively?”

Central Coast Rangeland

Coalition

Outline

• Methods• Results so far• Four areas of conflict• Five principal species• Examples of mitigations

• Conclusions so far• Your ideas

Outline

• Methods• Results so far• Four areas of conflict• Five principal species• Examples of mitigations

• Conclusions so far• Your ideas

Range ecosystemmodel

Decomposers

Rancher, Range manager

Vegetation Primary producers

Domestic and wild grazersPrimary consumers

PredatorsSecondary consumers

Wikipedia

John Sandy

Erica Spotswood Erica SpotswoodBryan Voelker

Range ecosystemmodel

Decomposers

Rancher, Range manager

Wikipedia

Vegetation Primary producers

Domestic and wild grazersPrimary consumers

PredatorsSecondary consumers

Wikipedia

John Sandy

Erica Spotswood Erica SpotswoodBryan Voelker

Range ecosystemmodel

Decomposers

Rancher, Range manager

Wikipedia

Vegetation Primary producers

Domestic and wild grazersPrimary consumers

PredatorsSecondary consumers

John Sandy

Erica Spotswood Erica SpotswoodBryan Voelker

Range ecosystemmodel

Decomposers

Rancher, Range manager

Wikipedia

Vegetation Primary producers

Domestic and wild grazersPrimary consumers

PredatorsSecondary consumers

John Sandy

Erica Spotswood Erica SpotswoodBryan Voelker

Range ecosystemmodel

Decomposers

Rancher, Range manager

Wikipedia

Vegetation Primary producers

Domestic and wild grazersPrimary consumers

PredatorsSecondary consumers

John Sandy

Erica Spotswood Erica SpotswoodBryan Voelker

What are the conflicts experienced on the ground?

Lynn Huntsinger

Does the scientific

literatureaddress

these conflicts?

Outline

• Methods• Results so far• Four areas of conflict• Five principal species• Examples of mitigations

• Conclusions so far• Your ideas

Results so far

• 6 preliminary interviews• 17 popular media articles• 98 scientific studies

Results so far

• 4 main areas of conflict

Wikipedia

Habitat conflicts

John Sandy

Erica Spotswood Erica SpotswoodBryan Voelker

Wikipedia

Forageconflicts

John Sandy

Erica Spotswood Erica SpotswoodBryan Voelker

Wikipedia

Predationconflicts

John Sandy

Erica Spotswood Erica SpotswoodBryan Voelker

Wikipedia

Diseaseconflicts

John Sandy

Erica Spotswood Erica SpotswoodBryan Voelker

Wikipedia

Diseaseconflicts

John Sandy

Erica Spotswood Erica SpotswoodBryan Voelker

Habitat conflicts

Predationconflicts

Forageconflicts

Results so far

• 5 principal species

Rebecca Wenk

Bryan Voelker

Tejon Ranch Conservancy

Bryan Voelker Bryan Voelker

Bryan Voelker Bryan Voelker

Results so farAREA OF CONFLICT

CONFLICT MITIGATION

PRINCIPAL SPECIES

Habitat Exclusion fencing Feral pig

Forage Fee hunting Tule elk

Predation Planning , outreach, education Mountain lion

Predation Marin Livestock Protection Program Coyote

Results so farAREA OF CONFLICT

CONFLICT MITIGATION

PRINCIPAL SPECIES

Habitat Exclusion fencing Feral pig

Forage Fee hunting Tule elk

Predation Planning , outreach, education Mountain lion

Predation Marin Livestock Protection Program Coyote

Habitat

Pinnacles National Park

Habitat

Pinnacles National Park

Habitat

Pinnacles National Park

Pinnacles National Park

Results so farAREA OF CONFLICT

CONFLICT MITIGATION

PRINCIPAL SPECIES

Habitat Exclusion fencing Feral pig

Forage Fee hunting Tule elk

Predation Planning , outreach, education Mountain lion

Predation Marin Livestock Protection Program Coyote

Bryan Voelker

Forage

Forage

gothunts.com

Results so farAREA OF CONFLICT

CONFLICT MITIGATION

PRINCIPAL SPECIES

Habitat Exclusion fencing Feral pig

Forage Fee hunting Tule elk

Predation Planning , outreach, education Mountain lion

Predation Marin Livestock Protection Program Coyote

Tejon Ranch Conservancy

Predation

santacruzpumas.org

Predation

Results so farAREA OF CONFLICT

CONFLICT MITIGATION

PRINCIPAL SPECIES

Habitat Exclusion fencing Feral pig

Forage Fee hunting Tule elk

Predation Planning , outreach, education Mountain lion

Predation Marin Livestock Protection Program Coyote

Guy E. Connolly

Predation

UC Hopland Field Station

Marin County Livestock Protection Program

Predation

Outline

• Methods• Results so far• Four areas of conflict• Five principal species• Examples of mitigations

• Conclusions so far• Your ideas

AREA OF CONFLICT

CONFLICT MITIGATION

PRINCIPAL SPECIES

Habitat Exclusion fencing Feral pig

Forage Fee hunting Tule elk

Predation Planning , outreach, education Mountain lion

Predation Marin Livestock Protection Program Coyote

Pinnacles National Park

gothunts.com

santacruzpumas.orgUC Hopland Field Station

Guy E. Connolly

G. Smith

Your ideas

InterviewsSheri Spiegal510-643-1367spiegal@berkeley.edu

Central Coast

Rangeland Coalition

Thank you!